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// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
// Bitmap.cc for Blackbox - an X11 Window manager
// Copyright (c) 2001 - 2005 Sean 'Shaleh' Perry <shaleh@debian.org>
// Copyright (c) 1997 - 2000, 2002 - 2005
// Bradley T Hughes <bhughes at trolltech.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#include "Bitmap.hh"
#include "Display.hh"
#include "Pen.hh"
#include <X11/Xlib.h>
#include <assert.h>
static const int left_width = 9;
static const int left_height = 9;
static const unsigned char left_bits[] =
{ 0x00, 0x00, 0x40, 0x00, 0x60, 0x00, 0x70, 0x00, 0x78,
0x00, 0x70, 0x00, 0x60, 0x00, 0x40, 0x00, 0x00, 0x00 };
static const int right_width = 9;
static const int right_height = 9;
static const unsigned char right_bits[] =
{ 0x00, 0x00, 0x04, 0x00, 0x0c, 0x00, 0x1c, 0x00, 0x3c,
0x00, 0x1c, 0x00, 0x0c, 0x00, 0x04, 0x00, 0x00, 0x00 };
static const int up_width = 9;
static const int up_height = 9;
static const unsigned char up_bits[] =
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x38,
0x00, 0x7c, 0x00, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const int down_width = 9;
static const int down_height = 9;
static const unsigned char down_bits[] =
{ 0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x7c, 0x00, 0x38,
0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const int check_width = 9;
static const int check_height = 9;
static const unsigned char check_bits[] =
{ 0x00, 0x00, 0x80, 0x00, 0xc0, 0x00, 0xe2, 0x00, 0x76,
0x00, 0x3e, 0x00, 0x1c, 0x00, 0x08, 0x00, 0x00, 0x00 };
namespace bt {
class BitmapLoader {
public:
inline BitmapLoader(const Display &display)
: _display(display)
{ }
::Drawable load(unsigned int screen, const unsigned char *data,
int width, int height);
void unload(::Drawable &drawable);
private:
const Display &_display;
};
static BitmapLoader *loader = 0;
enum StandardBitmaps {
LeftArrow,
RightArrow,
UpArrow,
DownArrow,
CheckMark,
NStandardBitmaps
};
static Bitmap *standard_bitmaps[NStandardBitmaps];
void createBitmapLoader(const Display &display) {
assert(loader == 0);
loader = new BitmapLoader(display);
for (unsigned int i = 0; i < NStandardBitmaps; ++i)
standard_bitmaps[i] = new Bitmap[display.screenCount()];
}
void destroyBitmapLoader(void) {
for (unsigned int i = 0; i < NStandardBitmaps; ++i)
delete [] standard_bitmaps[i];
delete loader;
loader = 0;
}
} // namespace bt
::Drawable bt::BitmapLoader::load(unsigned int screen,
const unsigned char *data,
int width, int height) {
const bt::ScreenInfo &screeninfo = _display.screenInfo(screen);
return XCreateBitmapFromData(_display.XDisplay(), screeninfo.rootWindow(),
reinterpret_cast<const char *>(data),
width, height);
}
void bt::BitmapLoader::unload(::Drawable &drawable) {
if (drawable)
XFreePixmap(_display.XDisplay(), drawable);
drawable = 0;
}
void bt::drawBitmap(const bt::Bitmap &bitmap, const bt::Pen &pen,
::Drawable drawable, const bt::Rect &rect) {
assert(bitmap.screen() == pen.screen());
const int x = rect.x() + (rect.width() - bitmap.width()) / 2;
const int y = rect.y() + (rect.height() - bitmap.height()) / 2;
XSetClipMask(pen.XDisplay(), pen.gc(), bitmap.drawable());
XSetClipOrigin(pen.XDisplay(), pen.gc(), x, y);
XFillRectangle(pen.XDisplay(), drawable, pen.gc(),
x, y, bitmap.width(), bitmap.height());
XSetClipOrigin(pen.XDisplay(), pen.gc(), 0, 0);
XSetClipMask(pen.XDisplay(), pen.gc(), None);
}
bt::Bitmap::Bitmap(unsigned int scr, const unsigned char *data,
unsigned int w, unsigned int h)
: _screen(~0u), _drawable(0ul), _width(0u), _height(0u)
{ load(scr, data, w, h); }
bt::Bitmap::~Bitmap(void)
{ loader->unload(_drawable); }
bool bt::Bitmap::load(unsigned int scr, const unsigned char *data,
unsigned int w, unsigned int h) {
loader->unload(_drawable);
_drawable = loader->load(scr, data, w, h);
if (!_drawable) {
_screen = ~0u;
_width = _height = 0;
return false;
}
_screen = scr;
_width = w;
_height = h;
return true;
}
const bt::Bitmap &bt::Bitmap::leftArrow(unsigned int screen) {
Bitmap &bitmap = standard_bitmaps[LeftArrow][screen];
if (!bitmap.drawable())
bitmap.load(screen, left_bits, left_width, left_height);
return bitmap;
}
const bt::Bitmap &bt::Bitmap::rightArrow(unsigned int screen) {
Bitmap &bitmap = standard_bitmaps[RightArrow][screen];
if (!bitmap.drawable())
bitmap.load(screen, right_bits, right_width, right_height);
return bitmap;
}
const bt::Bitmap &bt::Bitmap::upArrow(unsigned int screen) {
Bitmap &bitmap = standard_bitmaps[UpArrow][screen];
if (!bitmap.drawable())
bitmap.load(screen, up_bits, up_width, up_height);
return bitmap;
}
const bt::Bitmap &bt::Bitmap::downArrow(unsigned int screen) {
Bitmap &bitmap = standard_bitmaps[DownArrow][screen];
if (!bitmap.drawable())
bitmap.load(screen, down_bits, down_width, down_height);
return bitmap;
}
const bt::Bitmap &bt::Bitmap::checkMark(unsigned int screen) {
Bitmap &bitmap = standard_bitmaps[CheckMark][screen];
if (!bitmap.drawable())
bitmap.load(screen, check_bits, check_width, check_height);
return bitmap;
}
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